"""
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: MIT-0
"""

import logging
from pathlib import Path
from test.testlib.testcase import BaseTestCase
from unittest.mock import patch

import cfnlint.config
from cfnlint.exceptions import ConfigFileError

LOGGER = logging.getLogger("cfnlint")


class TestConfigFileArgs(BaseTestCase):
    """Test ConfigParser Arguments"""

    def tearDown(self):
        """Setup"""
        for handler in LOGGER.handlers:
            LOGGER.removeHandler(handler)

    def test_config_parser_read_config(self):
        """Testing one file successful"""
        config = cfnlint.config.ConfigFileArgs(
            config_file=Path("test/fixtures/configs/cfnlintrc_read.yaml")
        )
        self.assertEqual(
            config.file_args,
            {
                "templates": ["test/fixtures/templates/good/**/*.yaml"],
                "include_checks": ["I"],
            },
        )

    def test_config_parser_read_config_parameters(self):
        """Testing one file successful"""
        config = cfnlint.config.ConfigFileArgs(
            config_file=Path("test/fixtures/configs/parameters.yaml")
        )
        self.assertEqual(
            config.file_args,
            {"parameters": [{"foo": "bar"}]},
        )

    def test_config_parser_read_config_parameter_files(self):
        """Testing one file successful"""
        config = cfnlint.config.ConfigFileArgs(
            config_file=Path("test/fixtures/configs/parameter_files.yaml")
        )
        self.assertEqual(
            config.file_args,
            {
                "parameter_files": [
                    "foo.json",
                    "bar.json",
                ]
            },
        )

    @patch("cfnlint.config.ConfigFileArgs._read_config", create=True)
    def test_config_parser_read_config_only_one_read(self, yaml_mock):
        """Testing one file successful"""
        # Should only have one read here
        # We aren't going to search and find the possible locations of
        # cfnlintrc
        yaml_mock.side_effect = [
            {"regions": ["us-west-1"]},
        ]
        config = cfnlint.config.ConfigFileArgs(
            config_file=Path("test/fixtures/configs/cfnlintrc_read.yaml")
        )
        self.assertEqual(config.file_args, {"regions": ["us-west-1"]})

    @patch("cfnlint.config.ConfigFileArgs._read_config", create=True)
    def test_config_parser_read(self, yaml_mock):
        """Testing one file successful"""
        yaml_mock.side_effect = [{"regions": ["us-west-1"]}, {}]
        results = cfnlint.config.ConfigFileArgs()
        self.assertEqual(results.file_args, {"regions": ["us-west-1"]})

    @patch("cfnlint.config.ConfigFileArgs._read_config", create=True)
    def test_config_parser_read_merge(self, yaml_mock):
        """test the merge of config"""

        yaml_mock.side_effect = [{"regions": ["us-west-1"]}, {"regions": ["us-east-1"]}]

        results = cfnlint.config.ConfigFileArgs()
        self.assertEqual(results.file_args, {"regions": ["us-east-1"]})

    @patch("cfnlint.config.ConfigFileArgs._read_config", create=True)
    def test_config_parser_fail_on_bad_config(self, yaml_mock):
        """test the read call to the config parser is reading two files"""

        yaml_mock.side_effect = [{"regions": True}, {}, {}, {}]

        with self.assertRaises(ConfigFileError):
            cfnlint.config.ConfigFileArgs()

    @patch("cfnlint.config.ConfigFileArgs._read_config", create=True)
    def test_config_parser_fail_on_config_rules(self, yaml_mock):
        """
        test the read call to the config parser is
        parsing configure rules correctly
        """

        yaml_mock.side_effect = [{"configure_rules": {"E3012": {"strict": False}}}, {}]

        results = cfnlint.config.ConfigFileArgs()
        self.assertEqual(
            results.file_args, {"configure_rules": {"E3012": {"strict": False}}}
        )

    @patch("pathlib.Path.is_file", create=True)
    def test_config_parser_is_file_both(self, is_file_mock):
        calls = [
            True,
            True,
            False,
            False,
        ]
        is_file_mock.side_effect = calls
        my_config = cfnlint.config.ConfigFileArgs()
        self.assertEqual(my_config._user_config_file.name, ".cfnlintrc")
        self.assertEqual(my_config._project_config_file.name, ".cfnlintrc")
        self.assertEqual(is_file_mock.call_count, len(calls))

    @patch("pathlib.Path.is_file", create=True)
    def test_config_parser_is_file_both_yaml(self, is_file_mock):
        calls = [
            False,
            True,
            False,
            True,
            False,
            False,
        ]
        is_file_mock.side_effect = calls
        my_config = cfnlint.config.ConfigFileArgs()
        self.assertEqual(my_config._user_config_file.name, ".cfnlintrc.yaml")
        self.assertEqual(my_config._project_config_file.name, ".cfnlintrc.yaml")
        self.assertEqual(is_file_mock.call_count, len(calls))

    @patch("pathlib.Path.is_file", create=True)
    def test_config_parser_is_file_both_yml(self, is_file_mock):
        calls = [
            False,
            False,
            True,
            False,
            False,
            True,
            False,
            False,
        ]
        is_file_mock.side_effect = calls
        my_config = cfnlint.config.ConfigFileArgs()
        self.assertEqual(my_config._user_config_file.name, ".cfnlintrc.yml")
        self.assertEqual(my_config._project_config_file.name, ".cfnlintrc.yml")
        self.assertEqual(is_file_mock.call_count, len(calls))

    @patch("cfnlint.config.ConfigFileArgs._read_config", create=True)
    def test_config_parser_invalid_key_error_message(self, yaml_mock):
        """test that invalid config keys produce user-friendly error messages"""

        yaml_mock.side_effect = [{"invalid_key": "value"}, {}, {}, {}]

        with self.assertRaises(ConfigFileError) as context:
            cfnlint.config.ConfigFileArgs()

        self.assertIn("Invalid configuration key 'invalid_key'", str(context.exception))
        self.assertIn(".cfnlintrc", str(context.exception))

    @patch("cfnlint.config.ConfigFileArgs._read_config", create=True)
    def test_config_parser_type_error_message(self, yaml_mock):
        """test that type errors produce user-friendly error messages"""

        yaml_mock.side_effect = [{"regions": "not_an_array"}, {}, {}, {}]

        with self.assertRaises(ConfigFileError) as context:
            cfnlint.config.ConfigFileArgs()

        self.assertIn("Invalid type for 'regions'", str(context.exception))
        self.assertIn("Expected array", str(context.exception))
